7919994 has 16 divisors (see below), whose sum is σ = 16771968. Its totient is φ = 2484672.

The previous prime is 7919993. The next prime is 7920019. The reversal of 7919994 is 4999197.

It is not an unprimeable number, because it can be changed into a prime (7919993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38722 + ... + 38925.

It is an arithmetic number, because the mean of its divisors is an integer number (1048248).

Almost surely, 2^7919994 is an apocalyptic number.

7919994 is an abundant number, since it is smaller than the sum of its proper divisors (8851974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7919994 is a wasteful number, since it uses less digits than its factorization.

7919994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77669.

The product of its digits is 183708, while the sum is 48.

The square root of 7919994 is about 2814.2483898903. The cubic root of 7919994 is about 199.3310483464.

The spelling of 7919994 in words is "seven million, nine hundred nineteen thousand, nine hundred ninety-four".